Tracking personnel in distress (indoor).

Lone working is a situation where an employee operates entirely alone, without any colleague nearby and without direct contact with other workers[cite: 6].

It is estimated that around 3,000,000 workers in Italy work night shifts and a large portion of them work in isolation: production workers, maintenance staff, shopkeepers, security guards, medical on-call staff, pharmacists, construction workers, and more[cite: 6].